3 TROUBLESHOOTING

There is no

Verify that the Mute button on the remote control has not

audio when

been pressed. Press Mute on the remote control to

viewing TV

restore sound.

channels.

Verify that the set-top box audio output is connected to

 

 

the TV or home theater receiver.

 

If the set-top box audio output is connected to the TV,

 

verify that the Mute button on the TV has not been

 

pressed.

 

If the set-top box audio output is connected to a home

 

theater receiver, verify that the home theater receiver is

 

set to the appropriate input source and its Mute button

 

has not been pressed.

 

Verify that you have the correct cables for the audio ports.

 

Verify that the audio cables are firmly connected between

 

the set-top box and the audio playback device (TV, home

 

theater receiver, etc.).

 

 

There is no

Not all Dolby Digital programs feature full 5.1 Surround

audio from the

Sound. In some cases, the programs may only contain left

center and/or

and right stereo audio.

surround

Verify that the S/PDIF cable is firmly connected to the set-

speakers of a

top box and the home theater receiver.

home theater

Verify that the home theater receiver is set to a surround

receiver

sound audio mode (Dolby Digital, Dolby Pro Logic® II,

connected to

Dolby Pro Logic).

the set-top

Verify that the home theater receiver is properly

box.

 

configured to work with all connected speakers.

The set-top box is making

ahumming noise.

The set-top box includes an integrated hard drive and a fan for cooling. During normal operation, it emits a low humming noise, similar to a personal computer. The noise varies in volume occasionally when the speed of the internal fan adjusts to changes in the temperature around the set-top box. Please note the hard drive will stay on even when the set-top box is turned off.

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Motorola VIP1216, VIP1200 installation manual Troubleshooting